Connected: An Internet Encyclopedia
RFC 1630 - 4.1. URI syntax

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### 4.1. URI syntax

A complete URI consists of a naming scheme specifier followed by a string whose format is a function of the naming scheme. For locators of information on the Internet, a common syntax is used for the IP address part. A BNF description of the URL syntax is given in an a later section. The components are as follows. Fragment identifiers and relative URIs are not involved in the basic URL definition.

SCHEME

  Within the URI of a object, the first element is the name of the scheme, separated from the rest of the object by a colon.

PATH

  The rest of the URI follows the colon in a format depending on the scheme. The path is interpreted in a manner dependent on the protocol being used. However, when it contains slashes, these must imply a hierarchical structure.

4.1.1. Reserved characters
4.1.2. Unsafe characters
4.1.3. Encoding reserved characters
4.1.4. Partial (relative) form
4.1.5. Fragment-id

Next: 4.1.1. Reserved characters

Connected: An Internet Encyclopedia
RFC 1630 - 4.1. URI syntax